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Electron beam probe (EBP) is a new principle detector, which makes use of a low-intensity and low-energy electron beam to measure the transverse profile, bunch shape, beam neutralization and beam wake field of an intense beam with small…

Noise and artifacts during computed tomography (CT) scans are a fundamental challenge affecting disease diagnosis. However, current methods either involve excessively long reconstruction times or rely on data-driven models for optimization,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Guoquan Wei , Liu Shi , Shaoyu Wang , Mohan Li , Cunfeng Wei , Qiegen Liu

We present a novel framework demonstrating zero-shot sim-to-real transfer of visual control policies learned in a Neural Radiance Field (NeRF) environment for quadrotors to fly through racing gates. Robust transfer from simulation to real…

Robotics · Computer Science 2025-08-04 Yan Miao , Will Shen , Sayan Mitra

The fortran version of the AcerDET package has been published in [1], and used in the multiple publications on the predictions for physics at LHC. The package provides, starting from list of particles in the event, the list of reconstructed…

High Energy Physics - Phenomenology · Physics 2015-07-06 Patryk Mikos , Elzbieta Richter-Was

Visuotactile policy learning augments vision-only policies with tactile input, facilitating contact-rich manipulation. However, the high cost of tactile data collection makes sample efficiency the key requirement for developing visuotactile…

Robotics · Computer Science 2025-11-12 Yizhe Zhu , Zhang Ye , Boce Hu , Haibo Zhao , Yu Qi , Dian Wang , Robert Platt

Traditional computer vision models often necessitate extensive data acquisition, annotation, and validation. These models frequently struggle in real-world applications, resulting in high false positive and negative rates, and exhibit poor…

In positron emission tomography acquisition (PET), sensitivity along a line of response can vary due to crystal geometrical arrangements in the scanner and/or detector inefficiencies, leading to severe artefacts in the reconstructed image.…

Positron emission tomography (PET) with 18F-Fluorodeoxyglucose (FDG) is an established tool in the diagnostic workup of patients with suspected dementing disorders. However, compared to the routinely available magnetic resonance imaging…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Yitong Li , Ralph Buchert , Benita Schmitz-Koep , Timo Grimmer , Björn Ommer , Dennis M. Hedderich , Igor Yakushev , Christian Wachinger

PET requires accurate, precise, and efficient scatter correction techniques. Conventional scatter estimation typically relies on tail-fitted single-scatter simulation (SSS) strategy. However, the accuracy of tail-fitted SSS is limited, for…

Medical image segmentation requires large annotated datasets, creating a significant bottleneck for clinical applications. While few-shot segmentation methods can learn from minimal examples, existing approaches demonstrate suboptimal…

Computer Vision and Pattern Recognition · Computer Science 2025-12-25 Ziyuan Gao

Learning how to walk is a sophisticated neurological task for most animals. In order to walk, the brain must synthesize multiple cortices, neural circuits, and diverse sensory inputs. Some animals, like humans, imitate surrounding…

Neural and Evolutionary Computing · Computer Science 2020-04-14 Justin Ting , Yan Fang , Ashwin Sanjay Lele , Arijit Raychowdhury

We present results on the reconstructed image resolution of a position sensitive radiation instrument (COCAE) based on extensive simulation studies. The reconstructed image resolution has been investigated in a wide range of incident photon…

Instrumentation and Detectors · Physics 2011-11-29 K. Zachariadou , K. Karafasoulis , I. Kaissas , S. Seferlis , C. Lambropoulos , D. Loukas , C. Potiriadis

The primary purpose of a fingerprint recognition system is to ensure a reliable and accurate user authentication, but the security of the recognition system itself can be jeopardized by spoof attacks. This study addresses the problem of…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Tarang Chugh , Kai Cao , Anil K. Jain

Accurate 3D reconstruction of deformable soft tissues is essential for surgical robotic perception. However, low-texture surfaces, specular highlights, and instrument occlusions often fragment geometric continuity, posing a challenge for…

Computer Vision and Pattern Recognition · Computer Science 2026-05-13 Falong Fan , Yi Xie , Arnis Lektauers , Bo Liu , Jerzy Rozenblit

360 depth estimation has recently received great attention for 3D reconstruction owing to its omnidirectional field of view (FoV). Recent approaches are predominantly focused on cross-projection fusion with geometry-based re-projection:…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Hao Ai , Lin Wang

In cryo-electron microscopy, accurate particle localization and classification are imperative. Recent deep learning solutions, though successful, require extensive training data sets. The protracted generation time of physics-based models,…

Machine Learning · Computer Science 2025-02-20 Pavol Harar , Lukas Herrmann , Philipp Grohs , David Haselbach

Polarization-based vision has gained increasing attention for providing richer physical cues beyond RGB images. While achieving single-shot capture is highly desirable for practical applications, existing Division-of-Focal-Plane (DoFP)…

Computer Vision and Pattern Recognition · Computer Science 2026-04-08 Shuangfan Zhou , Chu Zhou , Heng Guo , Youwei Lyu , Boxin Shi , Zhanyu Ma , Imari Sato

Digitising the 3D world into a clean, CAD model-based representation has important applications for augmented reality and robotics. Current state-of-the-art methods are computationally intensive as they individually encode each detected…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Florian Langer , Jihong Ju , Georgi Dikov , Gerhard Reitmayr , Mohsen Ghafoorian

STEM imaging is typically performed by raster scanning a focused electron probe over a sample. Here we investigate and compare three different scan patterns, making use of a programmable scan engine that allows to arbitrarily set the…

Applied Physics · Physics 2020-02-24 Abner Velazco , Magnus Nord , Armand Béché , Johan Verbeeck

Single photon emission computed tomography (SPECT) is a well established clinical tool for functional imaging. A limitation of current SPECT systems is the use of mechanical collimation, where only a small fraction of the emitted photons is…

Numerical Analysis · Mathematics 2016-07-05 Sunghwan Moon , Markus Haltmeier
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